import "./App.css";
import React from "react";

class App extends React.Component {
  f1(e) {
    console.log(e);
  }
  render() {
    return (
      <div className="App">
        123456
        <div onClick={this.f1.bind(this)}>456</div>
      </div>
    );
  }
}

export default App;
